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806

How far will a body move in 4 seconds if uniformly accelerated from rest at the rate of 2 ms-2?

  • A. 32m
  • B. 24m
  • C. 16m
  • D. 1.2m
  • E. 5m
View Answer & Discuss (4) WAEC 1993
807
If the temperature of water is gradually increased from 0o to 4oC, the density of the water within this range
  • A. increases for a while and then decreases
  • B. decreases for a while and then increases
  • C. increases gradually
  • D. decreases gradually
  • E. remains the same
View Answer & Discuss (5) WAEC 1993
808
The expansion of solids can be considered a disadvantage in the
  • A. fire alarm system
  • B. thermostat
  • C. riveting of steel plates
  • D. balance wheel of a watch
  • E. fitting of wheels on rims.
View Answer & Discuss (1) WAEC 1993
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809
A solid metal cube of side 10 cm is heated from
10oC to 60oC. lf the linear expansivity of the metal is 1.2 x 105K-1, calculate the increase in its volume.
  • A. 0.6cm3
  • B. 1.2 cm3
  • C. 1.8 cm3
  • D. 3.6 cm3
  • E. 6.0cm3.
View Answer & Discuss (6) WAEC 1993
810

A gas has a volume of 546 cm3 at OºC. What is the volume of the gas at -100ºC if its pressure remains constant?

  • A. 346cm3
  • B. 446cm3
  • C. 546cm3
  • D. 646cm3
  • E. 746 cm3.
View Answer & Discuss (10) WAEC 1993
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